问classnotfound异常反射

EN

@SuppressWarnings({ "unchecked", "rawtypes" })
    public <K>Collection<K> getCollection(T t, String methodName) {

        Method[] methods =t.getClass().getMethods();        

        for (Method method : methods) {         
            String name = method.getName();
            if (name.equals(methodName)) {
                String name2 = method.getReturnType().getName();
                Object newInstance = null;
                try {
                    newInstance = Class.forName(name2).newInstance();
                } catch (InstantiationException | IllegalAccessException | ClassNotFoundException e1) {
                    e1.printStackTrace();
                }
                if (newInstance instanceof Collection) {
                    try {
                        return (Collection)method.invoke(t, null);
                    } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
                        e.printStackTrace();
                    }
                }

            }
        }

        return Collections.emptyList();
    }